like the lombard street, also known as the quietest street in the world. unfortunately, san francisco is also known as one of the dirtiest. clock >> they dumped from a jerk, boxes, fellows, mattresses. i do not know if it is coming from this building or neighbors >>stanley: here on a curb, discarded liquor bottles and mattresses, you name it, it is in the streets. let's be realistic, you cannot fit a mattress in a trash can. that brings me to the tenderloin. on some streets in their city trash cans that are supposed to be for public use. some of the time it is used for other things. >> people just stayed in them, kick them over, just because.